Answer:
\(533 {3 { \div {3.. = 246}^{2} {2 {33y2}24^{?2 {246 {?3}^{?34} ?3}^{?y} } }^{?} \times \frac{?}{3} }^{?} }^{?} \)
This is a measure of the independence of crossovers from each other and is calculated by subtracting the coefficient of coincidence from 1.
The measure of the independence of crossovers from each other and is calculated by subtracting the coefficient of coincidence from 1 is called the interference value.
Interference value measures the degree to which crossovers in one region of a chromosome affect crossovers in adjacent regions. It is calculated by subtracting the observed frequency of double crossovers from the expected frequency of double crossovers. This value is then divided by the expected frequency of double crossovers, which gives a measure of how much interference is present. Interference values range from 0 (no interference) to 1 (complete interference), with values closer to 1 indicating a higher degree of interference.
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Why would the cell theory change over time?
Answer:
The invention of the microscope led to the discovery of the cell by Hooke. While looking at cork, Hooke observed box-shaped structures, which he called “cells” as they reminded him of the cells, or rooms, in monasteries. This discovery led to the development of the classical cell theory.
Explanation:
hope this helps you sorry if it doesn't
Your best friend is concerned about a mole on her arm. Knowing that you are taking a biology class she comes to you and asks for your opinion. You take a sample of her mole and view it under a microscope. While counting a selection of 300 cells, you notice that 87 cells are actively undergoing mitosis. Should your friend be concerned?
Answer:
She should consult a dermatologist immediately.
Explanation:
When doing preemptive diagnosis of a mole, one should compute the Mitotic Rate (MR) - and the MR reported in the question is way above the highest category "greater than 4 per square millimeter" (to compare. there's around 2000 cells per sqmm of skin, so we're at over 500 per square millimeter).
Unlike the biological species concept, the morphospecies concept relies on:____.
a. phenotype.
b. ehavior.
c. physiology.
d. offspring.
Unlike the biological species concept, the morphospecies concept relies on Phenotype.
Biological species concept- A species taxon is a collection of creatures that may effectively interbreed and give birth to viable offspring, according to the Biological Species Concept. That idea holds that both interbreeding within a species and reproductive barriers between creatures of various species help to protect the integrity of a species.
Morphospecies concept- The morphological species concept applies to both asexual and sexual creatures and describes a species according to its body form and other structural characteristics. It contrasts from the present definition of a species, where a collection of creatures that can breed with one another and produce viable offspring of the same species.
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Which of the F2 phenotypic ratios represents duplicate recessive epistasis?
a. 12:3:1
b. the ratio is not consistent from example to example
c. 9:3:4
d. 9:3:3:1
e. 9:7
9:7 IS the F2 phenotypic ratios represents duplicate recessive epistasis.
If one of the two loci's recessive alleles can block the expression of the two loci's dominant alleles, this is known as duplicate recessive epistasis. Complementary epistasis is another name for this. Color of the flowers on sweet pea plants is an illustration of duplicate recessive epistasis.
He uses the gene for -crystallin as an illustration in phenotypic ratios , which in ducks produces both an enzyme ( argininosuccinate lyase) and a protein that forms the lens of the eye. In other vertebrates, however, this gene appears to have duplicated, with each gene encoding just one of these products.
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how will relative humidity relate to the temperature of the wet bulb thermometer
Answer:
At 100% relative humidity, the wet-bulb temperature is equal to the air temperature at lower humidity the wet-bulb temperature is lower than dry-bulb temperature because of evaporative cooling.
the allele for a widow's peak (hairline) is dominant over the allele for a straight hairline. in a population of 500 indiviuals, 25% show the recessive phenotype. how many individuals would you expect to be homozyous dominant and heterozygous for the trait?
We would expect 125 individuals to be homozygous dominant (SS), 250 individuals to be heterozygous (Ss), and 125 individuals to be homozygous recessive (ss).
According to the problem, 25% of the population shows the recessive phenotype, which means that they are homozygous recessive (ss). Therefore, the frequency of the recessive allele (s) can be calculated as the square root of 0.25, which equals 0.5. The frequency of the dominant allele (S) can be calculated as 1 - 0.5 = 0.5.
Using the Hardy-Weinberg equilibrium equation, we can calculate the expected frequencies of the three genotypes: SS, Ss, and ss. Since the allele frequencies are equal (0.5), the expected frequencies are: SS = 0.25, Ss = 0.50, and ss = 0.25.
To determine the number of individuals for each genotype, we can multiply the expected frequencies by the population size of 500. Therefore, we would expect 125 individuals to be homozygous dominant (SS), 250 individuals to be heterozygous (Ss), and 125 individuals to be homozygous recessive (ss).
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Which of the following is a main difference when comparing an animal cell and a plant cell?
Francis was recording plant heights for an experiment. Each time that she took a measurement, she wrote it down. Then, she measured the plant again and compared the new measurement to the one that she had recorded in her notebook. What was she most likely trying to do?How does a good experimental conclusion differ from an inference?
Answer:
She most likely was trying to see how much the plant has grown over a certain amount of time each measurement was taken. (See more below.)
Explanation:
Once she measured how much the plant has grown, she compared it. She could have compared it by subtracting the newest height to the height taken before present measurement. A good experimental conclusion differs from an inference is by data. A good experimental conclusion has data that has been measured from testable concepts and has detailed data; therefore, reliable. If you were to inference the experiment, it would not be reliable data since it is a guess based on the experiments appearance. For example, if she were to make an inference on this experiment, she could have observed the plant when it was a sapling. When she had seen the sapling has grown overtime, she could say that it grew roughly 5 inches in height, and that would not be reliable since no further measurements was taken before or after the plant is/was growing.
Answer:
d
Explanation:
got it right
The tongue is an example of an organ that assists in the process of digestion. which of the following best describes the level of structural organization for organs like the tongue?
A. It is less complex than a tissue
B. It is more complex than an organ system
C. It is less complex than a cell
D. It is more complex than a tissue
Answer:
C
Explanation:
The level of structural organization for the tongue is that it is more complex than a tissue. So the correct option is D.
What is a tongue?
In most vertebrates, the tongue is a muscular organ on the floor of the mouth that may move in a variety of ways. It is extended and specialised in grabbing insect prey in some animals (like frogs).
While cats and certain other animals use their tongues as tools for grooming and cleaning, some reptiles' tongues serve largely as sensory organs.
The tongue is an essential auxiliary organ in chewing and swallowing, helps mammals create negative pressure in the oral canal to permit sucking, is a key carrier of taste receptors, and helps humans speak.
The mammalian tongue is formed of a complex of striated, intertwined muscles, fat, and glands, all coated in mucosal surfaces. Humans often have their front tongue ends and margins in contact with their teeth, which facilitates communication and swallowing.
Therefore the correct option is D.
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Why did contamination continue and spread after the initial contamination of the Hudson River was stopped?
Will give brainliest if you give a good answer!
Answer:
The Hudson River was contaminated when General Electric dumped a huge amount of polychlorinated biphenyls (PCBs) into the Hudson River between 1947 and 1977.
General Electric proposed a plan of sediment dredging to clean up the polychlorinated biphenyls (PCBs) in the river but the PCBs are not safely buried in the sediment and dredging was not enough to clean up the PCB. This PCB has already entered the food web and the underground water of the Hudson River was also already spread in different places, so dredging was not enough to clean up the PCB.
Answer:
It continued because they didn't fully clean up all of the contamination as well as the fact that the wildlife was still living in the contaminated waters. This allowed for the contamination issues to continue for decades after the initial date it happened.
Explanation:
Lowkey the other guy said it better but this is what I put
A city worker is trying to dig to reach the water table. She knows the unsaturated zone in the area is four feet thick and the saturated zone is another five feet thick before an impermeable granite layer is reached.
How deep will she have to dig to reach the water table?
two feet
four feet
five feet
nine feet
Answer:
Five feet so c
Explanation:
Question 23 of 32
The diagram below represents the time a cell spends in the two main phases
of the cell cycle. In which phase does a cell spend more time?
O A. Meiosis
B. Prophase
C. Interphase
O D. Mitosis
Interphase is the answer to your question
girl is that mold on your screen?
the system that provides structure and support to the body, stores minerals, creates blood cells, protects your internal organs, and helps the body move.
Answer:
The system you're referring to is the skeletal system. It provides structural support to the body, stores minerals such as calcium and phosphorus, produces blood cells in the bone marrow, protects internal organs, and facilitates movement by providing attachment points for muscles.
Describe the main three polysaccharides and their functions
Answer:
starch is the surplus unit for the glucose made in photosynthesis
cellulose is found in plant walls
then glycogen is the surplus unit used by animals to store glucose
Explanation:
Sea stars can reproduce sexually and asexually. In sexual reproduction, fertilization
occurs in the water with males and females releasing sperm and eggs into the
environment.
Asexual reproduction is by fragmentation, a part of an arm and part of the central
disk becomes detached from the "parent" and develops into an independent
individual sea star. In the past, many sea stars have been "killed" by chopping them
into pieces but they have been able to regenerate and grow into more sea stars. This
happend on the Great Barrier Reef in early attempts to control the Crown of Thorn
Sea stars.
What process is explained in the second paragraph?
mitosis
meiosis
Salivary cells produce amylase, which is a type of protein, what type of cell structure will they have a lot of?
Salivary cells produce amylase, which is a type of protein, the type of cell structure will they have a lot of acinar cell.
Define amylase.An enzyme or particular protein called amylase aids in the digestion of carbohydrates. Your salivary glands and pancreas produce the majority of the amylase in your body.
Your blood and urine should include a little quantity of amylase. However, having too much or too little can indicate a problem with the pancreas, the salivary glands, or another health issue.
Define salivary gland.Mammal salivary glands are exocrine glands that create saliva via a network of channels. Along with hundreds of minor salivary glands, humans have three pairs of main salivary glands: parotid, submandibular, and sublingual. There are three types of salivary glands: serous, mucous, and seromucous (mixed).
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camelia flowers exhibit codominance. in this case, the two parent phenotypes are expressed together in the offspring. if a purbred white flowered camelia is crossed to a red camelia, what would the phenotype of the offspring look like?
If a purebred white camelia flower is crossed with a red camelia flower and exhibits codominance, the phenotype of the offspring would be a mixture of both parent phenotypes.
Codominance is a type of inheritance pattern where both alleles of a gene are expressed equally in the phenotype of an organism. In the case of camellia flowers, there are some varieties that exhibit codominance in their petal colors. In this case, the offspring's phenotype would show both red and white colors, possibly in a spotted or striped pattern. The flowers have both pink and white petals, with neither color being dominant over the other. This is because the alleles responsible for the pink and white pigments are codominant, meaning that they are both expressed in the phenotype of the flower.
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QUESTION 1 Exercise 11.10. Butterflies. Alice, Bob, and Charlotte are looking for butterflies. They look in three separate parts of a field, so that their probabilities of success do not affect each other. • Alice finds 1 butterfly with probability 17%, and otherwise does not find one • Bob finds 1 butterfly with probability 25%, and otherwise does not find one • Charlotte finds 1 butterfly with probability 45%, and otherwise does not find one Let X be the number of butterflies that they find altogether. Write X as the sum of three indicator random variables, X1, X2, X3 that indicate whether Alice, Bob, Charlotte (respectively) found a butterfly. Then X= X1+X2 +X3. Find the expected value of X by finding the expected value of the sum of the indicator random variables. Your answer will have two decimal places. **This is a straight forward expected value of a sum of random variables, nothing fancy here! QUESTION 2 Exercise 11.16. Flipping coins. Flip a coin until the second head comes up. Let X be the number of flips needed to get the second head. What is the E(X). The first step is to find the expected value of getting the first head. Is this like Example 11.10, sampling without replacement, OR like Example 11.11, sampling with replacement? O A. Example 11.10, sampling without replacement O B. Example 11.11, sampling with replacement QUESTION 3 Exercise 11.16. Flipping coins. Flip a coin until the second head comes up. Let X be the number of flips needed to get the second head. What is the E(X). The first step is to find the expected value of getting the first head. What is the expected value of getting the first head? This will be an integer answer. QUESTION 4 Exercise 11.16. Flipping coins. Flip a coin until the second head comes up. Let X be the number of flips needed to get the second head. What is the E(X). The next step is to find the expected value of getting the second head. Because this is identical to finding the expected number of rolls for the first head (independent events), we just multiply the first head's expected value by 2. This will be an integer answer. QUESTION 5 Exercise 11.17 (a). Waiting for favorite song. Michael puts his iTunes on shuffle mode where songs are not allowed to be replayed. He has 2,781 songs saved on iTunes, and exactly one of these is his favorite. How many songs is he expected to have to listen to until his very favorite song comes up? Is this like Example 11.10, sampling without replacement, OR like Example 11.11, sampling with replacement? A. Example 11.11, sampling with replacement B. Example 11.10, sampling without replacement
In Exercise 11.10, the expected value of the number of butterflies found by Alice, Bob, and Charlotte is obtained by finding the expected value of the sum of three indicator random variables.
In Exercise 11.16, the expected value of the number of flips needed to get the second head in a coin flipping experiment is determined. These exercises involve different scenarios of sampling with and without replacement.
In Exercise 11.10, the expected value of X, the total number of butterflies found, is found by calculating the expected value of each indicator random variable (X1, X2, X3) representing whether Alice, Bob, and Charlotte found a butterfly, respectively.
The expected value of each indicator variable can be obtained by multiplying the probability of success (finding a butterfly) by 1 and the probability of failure (not finding a butterfly) by 0. Then, the expected value of X is calculated as the sum of the expected values of the indicator variables.
In Exercise 11.16, the expected value of X, the number of flips needed to get the second head, is determined. To find this value, we first need to find the expected value of getting the first head. This scenario is similar to Example 11.11, which involves sampling with replacement.
Each coin flip is an independent event, and the probability of getting a head is constant at 0.5.
Therefore, the expected value of getting the first head is 1/p, where p is the probability of success (0.5 in this case).
In Exercise 11.17 (a), the scenario of waiting for a favorite song in Michael's iTunes playlist involves sampling without replacement. Each song played is not replayed, and there is only one favorite song among the total number of songs.
Therefore, this scenario is similar to Example 11.10, sampling without replacement.
To find the expected number of songs Michael needs to listen to until his favorite song comes up, the formula for sampling without replacement is used, which is the reciprocal of the probability of selecting the favorite song at each step.
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Can somebody help please due today
Answer:
Fossil record, history of life as documented by fossils, the remains or imprints of organisms from earlier geological periods preserved in sedimentary rock. Their ages can be established by comparing the fossils in each layer.
Answer:
Explanation:
Fossil record, history of life as documented by fossils, the remains or imprints of organisms from earlier geological periods preserved in sedimentary rock. Their ages can be established by comparing the fossils in each layer.
Credits to the person under me i just need points
(pretty sure its correct tho)
How many different mutations in the CFTR gene that can cause cystic fibrosis have been identified?
More than 1,700 mutations have been identified in the CFTR gene. A CF patient has two modifications of the CFTR gene. These mutations can be homozygous, the same, or heterozygous, in different ways.
Cystic fibrosis (CF) is a genetic condition that affects the lungs and digestive system.
The inherited CF gene causes the body's epithelial cells to produce a defective protein called CFTR (cystic fibrosis transmembrane conductance regulator).
Epithelial cells are the cells that make up the sweat glands in the skin. These cells also line pathways in the lungs, liver, pancreas, digestive system, and reproductive system. Because there is interference, the glands responsible for the production of fluids such as mucus and sweat are disturbed.
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Although a tortoise and a turtle
look very alike, they have special
adaptations to help them survive
in
habitats.
A. the same
C. similar
B. different
D. identical
A tortoise and a turtle look very alike, they have special adaptations to help them survive in... the answer is B. different.
Although tortoises and turtles share certain physical characteristics, such as a hard shell and webbed feet, they have differences in their adaptations that allow them to survive in different habitats. For example, tortoises are generally adapted to live on land and have heavy, sturdy legs that allow them to walk and dig burrows, while turtles are adapted to life in water and have streamlined bodies and webbed feet that make them excellent swimmers. Furthermore, turtles have adaptations such as the ability to breathe underwater through specialized organs, while tortoises rely on their lungs to breathe air.
What are the adaptations?
Tortoises have heavy, sturdy legs, a thick and heavy shell, and the ability to store water and survive long periods without food or water. Turtles have streamlined bodies, webbed feet, the ability to hold their breath for long periods of time, and sharp, powerful jaws to catch and eat prey in water. Both have strong senses that help them locate food and avoid predators.
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a transfer rna with the bases cga will line up with a section of messenger rna with the bases cgu. true or false
Answer: false
Explanation: A transfer RNA with the bases CGA will line up with a section of messenger RNA with the bases *CGU*. After an amino acid is added to a protein, the TRANSFER RNA picks up another amino acid. Changes to the type of ORDER of amino acids can result in a different protein.
What is the largest source of waste generation?
A. Individuals and industry
B. Individuals and agriculture
C. Developing countries
D. Industry and agriculture
Answer: B. Individuals and agriculture
Explanation:
May you please be able to help me on this
1. The male superhero cannot teleport. So, the probable genotype is Xt Y
While the female superhero can teleport, but her mother could not. The probable genotype would be XTXt.
In order to get these genotypes for teleporting abilities, we first assign thegenotypes of the parents, which are:
Father- XT Y
Mother (do not have teleporting abilities)- XtXt
Please help I'm confused!
Answer and Get Brainlist *If you get it right*
Thank you! :D
Tell me what to drag and the answer for the one is blank
The steps of protein synthesis are initiation, elongation, and termination.
Steps in protein synthesisThere are three steps in protein synthesis:
Initiation: during which the messenger RNA, the ribosome subunits, and the necessary enzymes all bind together to form the translation bubble and initiate the translation process. Elongation: during which the peptide chain grows by the continuous addition of amino acids.Termination: when the protein synthesis stops as a result of reading the stop codon on the messenger RNA.More on protein synthesis can be found here: https://brainly.com/question/16305501
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Which example does NOT show acceleration of an object?
A. A car turning at 20 km/h
B. A person walking at a constant speed of 5 km/h
C. A car speeding up on the freeway
D. A mosquito crashing into a windshield
Answer:
D. A mosquito crashing into a windshield
Explanation:
What does Newton's second law state?
For an object with a constant mass m, the second law states that the force F is the product of an object's mass and its acceleration a: F = m * a. For an externally applied force, the change in velocity depends on the mass of the object.
What does Newton's third law state?
The Third Law states that for every action (force) in nature there is an equal and opposite reaction. In other words, if object A exerts a force on object B, then object B also exerts an equal and opposite force on object A. Notice that the forces are exerted on different objects.
A mosquito crashing into a windshield is an example of the third law which is about reaction-reaction forces not of the second law which is about acceleration
how is support attained in herbaceous plant
Answer:
HERBACEOUS PLANTS• Support is provided by the turgidity of parenchyma & collenchyma cells & xylem tissues. Parenchyma cells are filled with water turgid• Collenchyma cells have unevenly thickened cellulose walls which provide support in stem & the midrib of the leaves.
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4. Identify the adverbial clause in the sentence below.
When a starfish captures an oyster, the starfish wraps its arms around the oyster.
Owraps its arms around the oyster.
OWhen a starfish captures an oyster,
O around the oyster.
O captures an oyster,
(1 point,
'When a starfish captures an oyster,' says the adverbial clause in the given sentence.
What do you mean by an oyster?
An oyster is a type of mollusk that lives in salt water and is known for its pearl-producing capabilities. Oysters are filter feeders and are an important part of many marine ecosystems.
An adverbial clause is a dependent clause that modifies a verb, an adjective, or an adverb by providing additional information about time, place, degree, manner, cause, or condition. In the sentence 'when a starfish captures an oyster, the starfish wraps its arms around the oyster', the adverbial clause is 'when a starfish captures an oyster', which provides information about the condition under which the action of the main clause takes place.
Hence, option B is correct.
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Plzzz help How does the Lampsilis Mussel complete its life cycle?
Answer:
It completes it's life cycle at the adult stage, where it releases glochida which attaches to the gills of fish
Explanation:
Mussels start out as glochida, metamorphosizing into juveniles, to grow into adult mussels. Males release sperm, taken in by females for thier eggs, and the eggs become glochida.